Home / 3,934.40-5,902.38-1,337.28

Finding the Fourth Proportional to 3,934.40, 5,902.38 and 1,337.28

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Solution

The fourth proportional to 3,934.40, 5,902.38 and 1,337.28 is: 2,006.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.40 : 5,902.38 = 1,337.28 : x
  2. Step 2: Convert to fraction form
    3,934.40/5,902.38 = 1,337.28/x
  3. Step 3: Cross multiply
    3,934.40x = 5,902.38 × 1,337.28
  4. Step 4: Simplify right side
    3,934.40x = 7,893,134.73
  5. Step 5: Solve for x
    x = 7,893,134.73/3,934.40
  6. Step 6: Final answer
    x = 2,006.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.